(0 18 9 7 2)(1 5 3)(4 11 8)(6 16 15)(10 14 12)(13 19 17)
ALLOWS (11/8)-SEQUENCE
1: (0 6 9)

(0 7 2)(1 5 3)(4 11 8)(6 18 9 16 15)(10 14 12)(13 19 17)
2: (4 11 8)

(0 7 2)(1 5 3)(4)(6 18 9 16 15)(8)(10 14 12)(11)(13 19 17)
3: (9 16 18)

(0 7 2)(1 5 3)(4)(6 18 15)(8)(9)(10 14 12)(11)(13 19 17)(16)
4: (13 19 17)

(0 7 2)(1 5 3)(4)(6 18 15)(8)(9)(10 14 12)(11)(13)(16)(17)(19)